99154975104 has 192 divisors, whose sum is σ = 302497303680. Its totient is φ = 31120588800.

The previous prime is 99154975103. The next prime is 99154975151. The reversal of 99154975104 is 40157945199.

It is a happy number.

99154975104 is a `hidden beast` number, since 9 + 91 + 549 + 7 + 5 + 1 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99154975103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1283824 + ... + 1358864.

It is an arithmetic number, because the mean of its divisors is an integer number (1575506790).

Almost surely, 2^99154975104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99154975104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151248651840).

99154975104 is an abundant number, since it is smaller than the sum of its proper divisors (203342328576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99154975104 is a wasteful number, since it uses less digits than its factorization.

99154975104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75129 (or 75114 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 99154975104 in words is "ninety-nine billion, one hundred fifty-four million, nine hundred seventy-five thousand, one hundred four".